US 9,809,046 B2
Binding device
Kanji Tanaka, Osaka (JP); Yoshiteru Arimoto, Osaka (JP); Hiroyuki Yamashita, Osaka (JP); and Hiroshi Nakano, Osaka (JP)
Assigned to LIHIT LAB., INC., Osaka-Shi, Osaka (JP)
Filed by LIHIT LAB., INC., Osaka (JP)
Filed on Aug. 5, 2015, as Appl. No. 14/819,044.
Application 14/819,044 is a continuation of application No. PCT/JP2014/083161, filed on Dec. 15, 2014.
Claims priority of application No. 2013-271188 (JP), filed on Dec. 27, 2013.
Prior Publication US 2016/0023499 A1, Jan. 28, 2016
Int. Cl. B42F 13/18 (2006.01); B42F 13/16 (2006.01); B42F 13/20 (2006.01); B42F 13/22 (2006.01); B42F 13/26 (2006.01)
CPC B42F 13/26 (2013.01) [B42F 13/16 (2013.01); B42F 13/18 (2013.01); B42F 13/20 (2013.01); B42F 13/22 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A binding device comprising:
a plurality of openable/closable binding rings;
a holding member having a length which allows the binding rings to be disposed with a spacing therebetween;
an operating member having a surface on which the binding rings are secured in parallel with a spacing therebetween, the operating member being secured inside the holding member such that the binding rings are secured to the holding member; and
an opening/closing member biasing the binding rings in an opening direction,
wherein the operating member comprises a pair of operating pieces,
wherein a base portion of one of the binding rings is secured to one of the operating pieces and a base portion of the other of the binding rings is secured to the other of the operating pieces,
wherein, when the binding rings are closed, at a position away from an inner face of the holding member, the operating pieces are held in a state in which abutting edges thereof abut against each other,
wherein, when the binding rings are opened, the operating pieces are secured to the holding member so as to be held in a manner such as to be directed approaching the inner surface of the holding member,
wherein the binding device has a button member in the vicinity of one end portion and/or the other end portion of the operating member,
wherein the button member has a first arm portion and a second arm portion for moving the one of the operating pieces and the other of operating pieces in directions opposed to each other so as actuate the operating member in a direction in which the binding rings are arranged in parallel, and
wherein the first arm portion is configured to move the one of the operating pieces to the first arm portion side and the second arm portion is configured to move the other of the operating pieces to the opposite side to the second arm portion.